Bytelearn - cat image with glassesAI tutor

Welcome to Bytelearn!

Let’s check out your problem:

There are two different raffles you can enter. Raffle A has 200200 tickets. Each ticket costs $15\$15. One ticket will win a $440\$440 prize, and the remaining tickets will win nothing. Raffle B is for a $880\$880 prize. Out of 500500 tickets, each costing $3\$3, one ticket will win the prize, and the other tickets will win nothing. Which raffle is a better deal?\newline(A)Raffle A\newline(B)Raffle B

Full solution

Q. There are two different raffles you can enter. Raffle A has 200200 tickets. Each ticket costs $15\$15. One ticket will win a $440\$440 prize, and the remaining tickets will win nothing. Raffle B is for a $880\$880 prize. Out of 500500 tickets, each costing $3\$3, one ticket will win the prize, and the other tickets will win nothing. Which raffle is a better deal?\newline(A)Raffle A\newline(B)Raffle B
  1. Prompt: question_prompt: Which raffle gives you a better chance of winning based on the cost of the tickets and the prize amount?
  2. Calculate Expected Value for Raffle A: Calculate the expected value for Raffle A. Expected value is the prize amount minus the cost of the ticket. For Raffle A, the expected value is $440\$440 prize minus $15\$15 ticket cost.
  3. Math for Raffle A: Do the math for Raffle A: $440$15=$425\$440 - \$15 = \$425.

More problems from Choose the better bet